Howard O. Gibson, dean of the School of Business and director of entrepreneurship at Arkansas Baptist College, fills up at the Murphy Oil gas station at 4448 E. McCain Blvd. in North Little Rock. (photo by Michael Pirnique)

In the wake of the sudden departure last month of Murphy Oil Corp.'s CEO David Wood, the future of the company's highly successful and evolving Murphy USA arm has been thrown into question. Includes THVideo.